Growing community of inventors

Chiba, Japan

Terutaka Sugiyama

Average Co-Inventor Count = 1.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Terutaka Sugiyama ↔ Jun Tsuneyoshi (1 patent)Terutaka Sugiyama ↔ Naoki Amano (1 patent)Terutaka Sugiyama ↔ Tomokazu Ejiri (1 patent)Terutaka SugiyamaTerutaka Sugiyama (1 patent)Jun TsuneyoshiJun Tsuneyoshi (5 patents)Naoki AmanoNaoki Amano (2 patents)Tomokazu EjiriTomokazu Ejiri (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Watch Kabushiki Kaisha (trading As Seiko Watch Corporation) (1 from 3 patents)


1 patent:

1. 12493265 - Hairspring, timepiece movement, and timepiece

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12/15/2025
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